/*
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 * and open the template in the editor.
 */
package servlets;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author shernandez
 */
@WebServlet(name = "Multiplica3", urlPatterns = {"/Multiplica3"})
public class Multiplica3 extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            if (request.getSession(false) != null) {


                String tabla = request.getParameter("tabla");
                int tab = Integer.parseInt(tabla);
                int cont = 0;
                out.println("<h1>Hola " + request.getSession().getAttribute("nombre") + "! </h1>"); //obtengo un atributo de la sesion
                out.println("<a href='logout'>Desconectar</a>");
                out.println("<html>");
                out.println("<head>");
                out.println("<title>Servlet Multiplica3</title>");
                out.println("</head>");
                out.println("<body>");
                out.println("<h1>Resultados </h1>");

                for (int i = 1; i <= 10; i++) {
                    out.println(tabla + " X " + i + " = " + request.getParameter("d" + i));
                    if (Integer.parseInt(request.getParameter("d" + i)) == tab * i) {
                        out.println("Correcto !!!<br>");
                        cont++;
                    } else {
                        out.println("Incorrecto :(<br>");
                    }
                }
                out.println("<h1>" + cont + "/10</h1>");

                out.println("<FORM method=post action=\"Multiplica1\">");
                out.println("<br>");
                out.println("<INPUT type=submit value='Regresar'>");
                out.println("</FORM>");

                out.println("</body>");
                out.println("</html>");
            } else {
                response.sendRedirect("MultiplicaInicio");
            }

        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
